4.6x5.5+0.55用简便方式解答
答案:2 悬赏:70 手机版
解决时间 2021-03-22 02:45
- 提问者网友：火车头
- 2021-03-21 02:44
4.6x5.5+0.55用简便方式解答
最佳答案
- 五星知识达人网友：山有枢
- 2021-03-21 03:37
4.6x5.5+0.55用简便方式解答
4.6×5.5+0.55
=4.6×5.5+5.5×0.1
=5.5×(4.6+0.1)
=5.5×4.7
=25.85.
4.6×5.5+0.55
=4.6×5.5+5.5×0.1
=5.5×(4.6+0.1)
=5.5×4.7
=25.85.
全部回答
- 1楼网友：何以畏孤独
- 2021-03-21 04:30
4.6x5.5+0.55
=4.5x5.5+5.5x0.1
=5.5x(4.5+0.1)
=5.5x4.6
=5.5x(5-0.4)
=5.5x5-5.5x0.4
=137.5-2.2
=135.3
=4.5x5.5+5.5x0.1
=5.5x(4.5+0.1)
=5.5x4.6
=5.5x(5-0.4)
=5.5x5-5.5x0.4
=137.5-2.2
=135.3
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